general.m4

LINUX下的源码工具,可自己分析,或者直接装在系统上作为应用

m4_define([_AC_INIT_COPYRIGHT],
[AC_COPYRIGHT(
[Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
This configure script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it.],
              [VERSION_FSF])dnl
])


# File Descriptors
# ----------------
# Set up the file descriptors used by `configure'.
# File descriptor usage:
# 0 standard input
# 1 file creation
# 2 errors and warnings
# AS_MESSAGE_LOG_FD compiler messages saved in config.log
# AS_MESSAGE_FD checking for... messages and results

m4_define([AS_MESSAGE_FD], 6)
# That's how they used to be named.
AU_ALIAS([AC_FD_CC],  [AS_MESSAGE_LOG_FD])
AU_ALIAS([AC_FD_MSG], [AS_MESSAGE_FD])


# _AC_INIT_DEFAULTS
# -----------------
# Values which defaults can be set from `configure.ac'.
# `/bin/machine' is used in `glibcbug'.  The others are used in config.*
m4_define([_AC_INIT_DEFAULTS],
[m4_divert_push([DEFAULTS])dnl

# Name of the host.
# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
# so uname gets run too.
ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`

exec AS_MESSAGE_FD>&1

#
# Initializations.
#
ac_default_prefix=/usr/local
ac_config_libobj_dir=.
cross_compiling=no
subdirs=
MFLAGS=
MAKEFLAGS=
AC_SUBST([SHELL], [${CONFIG_SHELL-/bin/sh}])dnl
AC_SUBST([PATH_SEPARATOR])dnl

# Maximum number of lines to put in a shell here document.
# This variable seems obsolete.  It should probably be removed, and
# only ac_max_sed_lines should be used.
: ${ac_max_here_lines=38}

# Identity of this package.
AC_SUBST([PACKAGE_NAME],
         [m4_ifdef([AC_PACKAGE_NAME],      ['AC_PACKAGE_NAME'])])dnl
AC_SUBST([PACKAGE_TARNAME],
         [m4_ifdef([AC_PACKAGE_TARNAME],   ['AC_PACKAGE_TARNAME'])])dnl
AC_SUBST([PACKAGE_VERSION],
         [m4_ifdef([AC_PACKAGE_VERSION],   ['AC_PACKAGE_VERSION'])])dnl
AC_SUBST([PACKAGE_STRING],
         [m4_ifdef([AC_PACKAGE_STRING],    ['AC_PACKAGE_STRING'])])dnl
AC_SUBST([PACKAGE_BUGREPORT],
         [m4_ifdef([AC_PACKAGE_BUGREPORT], ['AC_PACKAGE_BUGREPORT'])])dnl

m4_divert_pop([DEFAULTS])dnl
m4_wrap([m4_divert_text([DEFAULTS],
[ac_subst_vars='m4_ifdef([_AC_SUBST_VARS],  [m4_defn([_AC_SUBST_VARS])])'
ac_subst_files='m4_ifdef([_AC_SUBST_FILES], [m4_defn([_AC_SUBST_FILES])])'])])dnl
])# _AC_INIT_DEFAULTS


# AC_PREFIX_DEFAULT(PREFIX)
# -------------------------
AC_DEFUN([AC_PREFIX_DEFAULT],
[m4_divert_text([DEFAULTS], [ac_default_prefix=$1])])


# AC_PREFIX_PROGRAM(PROGRAM)
# --------------------------
# Guess the value for the `prefix' variable by looking for
# the argument program along PATH and taking its parent.
# Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc,
# set `prefix' to /usr/local/gnu.
# This comes too late to find a site file based on the prefix,
# and it might use a cached value for the path.
# No big loss, I think, since most configures don't use this macro anyway.
AC_DEFUN([AC_PREFIX_PROGRAM],
[if test "x$prefix" = xNONE; then
dnl We reimplement AC_MSG_CHECKING (mostly) to avoid the ... in the middle.
  _AS_ECHO_N([checking for prefix by ])
  AC_PATH_PROG(ac_prefix_program, [$1])
  if test -n $ac_prefix_program; then
    prefix=`AS_DIRNAME(["$ac_prefix_program"])`
    prefix=`AS_DIRNAME(["$prefix"])`
  fi
fi
])# AC_PREFIX_PROGRAM


# AC_CONFIG_SRCDIR([UNIQUE-FILE-IN-SOURCE-DIR])
# ---------------------------------------------
# UNIQUE-FILE-IN-SOURCE-DIR is a filename unique to this package,
# relative to the directory that configure is in, which we can look
# for to find out if srcdir is correct.
AC_DEFUN([AC_CONFIG_SRCDIR],
[m4_divert_text([DEFAULTS], [ac_unique_file="$1"])])


# _AC_INIT_SRCDIR
# ---------------
# Compute `srcdir' based on `$ac_unique_file'.
m4_define([_AC_INIT_SRCDIR],
[m4_divert_push([PARSE_ARGS])dnl

# Find the source files, if location was not specified.
if test -z "$srcdir"; then
  ac_srcdir_defaulted=yes
  # Try the directory containing this script, then its parent.
  ac_confdir=`AS_DIRNAME(["$[0]"])`
  srcdir=$ac_confdir
  if test ! -r $srcdir/$ac_unique_file; then
    srcdir=..
  fi
else
  ac_srcdir_defaulted=no
fi
if test ! -r $srcdir/$ac_unique_file; then
  if test "$ac_srcdir_defaulted" = yes; then
    AC_MSG_ERROR([cannot find sources ($ac_unique_file) in $ac_confdir or ..])
  else
    AC_MSG_ERROR([cannot find sources ($ac_unique_file) in $srcdir])
  fi
fi
(cd $srcdir && test -r ./$ac_unique_file) 2>/dev/null ||
  AC_MSG_ERROR([sources are in $srcdir, but `cd $srcdir' does not work])
dnl Double slashes in pathnames in object file debugging info
dnl mess up M-x gdb in Emacs.
srcdir=`echo "$srcdir" | sed 's%\([[^\\/]]\)[[\\/]]*$%\1%'`
m4_divert_pop([PARSE_ARGS])dnl
])# _AC_INIT_SRCDIR


# _AC_INIT_PARSE_ARGS
# -------------------
m4_define([_AC_INIT_PARSE_ARGS],
[m4_divert_push([PARSE_ARGS])dnl

# Initialize some variables set by options.
ac_init_help=
ac_init_version=false
# The variables have the same names as the options, with
# dashes changed to underlines.
cache_file=/dev/null
AC_SUBST(exec_prefix, NONE)dnl
no_create=
no_recursion=
AC_SUBST(prefix, NONE)dnl
program_prefix=NONE
program_suffix=NONE
AC_SUBST(program_transform_name, [s,x,x,])dnl
silent=
site=
srcdir=
verbose=
x_includes=NONE
x_libraries=NONE

# Installation directory options.
# These are left unexpanded so users can "make install exec_prefix=/foo"
# and all the variables that are supposed to be based on exec_prefix
# by default will actually change.
# Use braces instead of parens because sh, perl, etc. also accept them.
AC_SUBST([bindir],         ['${exec_prefix}/bin'])dnl
AC_SUBST([sbindir],        ['${exec_prefix}/sbin'])dnl
AC_SUBST([libexecdir],     ['${exec_prefix}/libexec'])dnl
AC_SUBST([datadir],        ['${prefix}/share'])dnl
AC_SUBST([sysconfdir],     ['${prefix}/etc'])dnl
AC_SUBST([sharedstatedir], ['${prefix}/com'])dnl
AC_SUBST([localstatedir],  ['${prefix}/var'])dnl
AC_SUBST([libdir],         ['${exec_prefix}/lib'])dnl
AC_SUBST([includedir],     ['${prefix}/include'])dnl
AC_SUBST([oldincludedir],  ['/usr/include'])dnl
AC_SUBST([infodir],        ['${prefix}/info'])dnl
AC_SUBST([mandir],         ['${prefix}/man'])dnl

ac_prev=
for ac_option
do
  # If the previous option needs an argument, assign it.
  if test -n "$ac_prev"; then
    eval "$ac_prev=\$ac_option"
    ac_prev=
    continue
  fi

  ac_optarg=`expr "x$ac_option" : 'x[[^=]]*=\(.*\)'`

  # Accept the important Cygnus configure options, so we can diagnose typos.

  case $ac_option in

  -bindir | --bindir | --bindi | --bind | --bin | --bi)
    ac_prev=bindir ;;
  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
    bindir=$ac_optarg ;;

  -build | --build | --buil | --bui | --bu)
    ac_prev=build_alias ;;
  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
    build_alias=$ac_optarg ;;

  -cache-file | --cache-file | --cache-fil | --cache-fi \
  | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
    ac_prev=cache_file ;;
  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
    cache_file=$ac_optarg ;;

  --config-cache | -C)
    cache_file=config.cache ;;

  -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
    ac_prev=datadir ;;
  -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
  | --da=*)
    datadir=$ac_optarg ;;

  -disable-* | --disable-*)
    ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
    # Reject names that are not valid shell variable names.
    expr "x$ac_feature" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
      AC_MSG_ERROR([invalid feature name: $ac_feature])
    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
    eval "enable_$ac_feature=no" ;;

  -enable-* | --enable-*)
    ac_feature=`expr "x$ac_option" : 'x-*enable-\([[^=]]*\)'`
    # Reject names that are not valid shell variable names.
    expr "x$ac_feature" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
      AC_MSG_ERROR([invalid feature name: $ac_feature])
    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
    case $ac_option in
      *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
      *) ac_optarg=yes ;;
    esac
    eval "enable_$ac_feature='$ac_optarg'" ;;

  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
  | --exec | --exe | --ex)
    ac_prev=exec_prefix ;;
  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
  | --exec=* | --exe=* | --ex=*)
    exec_prefix=$ac_optarg ;;

  -gas | --gas | --ga | --g)
    # Obsolete; use --with-gas.
    with_gas=yes ;;

  -help | --help | --hel | --he | -h)
    ac_init_help=long ;;
  -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
    ac_init_help=recursive ;;
  -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
    ac_init_help=short ;;

  -host | --host | --hos | --ho)
    ac_prev=host_alias ;;
  -host=* | --host=* | --hos=* | --ho=*)
    host_alias=$ac_optarg ;;

  -includedir | --includedir | --includedi | --included | --include \
  | --includ | --inclu | --incl | --inc)
    ac_prev=includedir ;;
  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
  | --includ=* | --inclu=* | --incl=* | --inc=*)
    includedir=$ac_optarg ;;

  -infodir | --infodir | --infodi | --infod | --info | --inf)
    ac_prev=infodir ;;
  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
    infodir=$ac_optarg ;;

  -libdir | --libdir | --libdi | --libd)
    ac_prev=libdir ;;
  -libdir=* | --libdir=* | --libdi=* | --libd=*)
    libdir=$ac_optarg ;;

  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
  | --libexe | --libex | --libe)
    ac_prev=libexecdir ;;
  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
  | --libexe=* | --libex=* | --libe=*)
    libexecdir=$ac_optarg ;;

  -localstatedir | --localstatedir | --localstatedi | --localstated \
  | --localstate | --localstat | --localsta | --localst \
  | --locals | --local | --loca | --loc | --lo)
    ac_prev=localstatedir ;;
  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
  | --localstate=* | --localstat=* | --localsta=* | --localst=* \
  | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
    localstatedir=$ac_optarg ;;

  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
    ac_prev=mandir ;;
  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
    mandir=$ac_optarg ;;

  -nfp | --nfp | --nf)
    # Obsolete; use --without-fp.
    with_fp=no ;;

  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
  | --no-cr | --no-c | -n)
    no_create=yes ;;

  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
    no_recursion=yes ;;

  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
  | --oldin | --oldi | --old | --ol | --o)
    ac_prev=oldincludedir ;;
  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
    oldincludedir=$ac_optarg ;;

  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
    ac_prev=prefix ;;
  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
    prefix=$ac_optarg ;;

  -program-prefix | --program-prefix | --program-prefi | --program-pref \
  | --program-pre | --program-pr | --program-p)
    ac_prev=program_prefix ;;
  -program-prefix=* | --program-prefix=* | --program-prefi=* \
  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
    program_prefix=$ac_optarg ;;

  -program-suffix | --program-suffix | --program-suffi | --program-suff \
  | --program-suf | --program-su | --program-s)
    ac_prev=program_suffix ;;
  -program-suffix=* | --program-suffix=* | --program-suffi=* \
  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
    program_suffix=$ac_optarg ;;

  -program-transform-name | --program-transform-name \
  | --program-transform-nam | --program-transform-na \
  | --program-transform-n | --program-transform- \
  | --program-transform | --program-transfor \
  | --program-transfo | --program-transf \
  | --program-trans | --program-tran \
  | --progr-tra | --program-tr | --program-t)
    ac_prev=program_transform_name ;;
  -program-transform-name=* | --program-transform-name=* \
  | --program-transform-nam=* | --program-transform-na=* \
  | --program-transform-n=* | --program-transform-=* \
  | --program-transform=* | --program-transfor=* \
  | --program-transfo=* | --program-transf=* \
  | --program-trans=* | --program-tran=* \
  | --progr-tra=* | --program-tr=* | --program-t=*)
    program_transform_name=$ac_optarg ;;

  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
  | -silent | --silent | --silen | --sile | --sil)
    silent=yes ;;

  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
    ac_prev=sbindir ;;
  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
  | --sbi=* | --sb=*)
    sbindir=$ac_optarg ;;

  -sharedstatedir | --sharedstatedir | --sharedstatedi \
  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
  | --sharedst | --shareds | --shared | --share | --shar \
  | --sha | --sh)
    ac_prev=sharedstatedir ;;
  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
  | --sha=* | --sh=*)
    sharedstatedir=$ac_optarg ;;

  -site | --site | --sit)
    ac_prev=site ;;
  -site=* | --site=* | --sit=*)
    site=$ac_optarg ;;

  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
    ac_prev=srcdir ;;
  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)